From eff907eb0a408c485c6e2210ebc7d26e8e22e000 Mon Sep 17 00:00:00 2001
From: Matthew Fernandez <matthew.fernandez@gmail.com>
Date: Sat, 15 Jan 2022 10:50:01 -0800
Subject: [PATCH] API BREAK: use C99 bools for 'layout_t' boolean fields

---
 CHANGELOG.md       | 2 ++
 lib/common/input.c | 7 +++----
 lib/common/types.h | 6 +++---
 3 files changed, 8 insertions(+), 7 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index d5e12d21d..1a4c5ff71 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -26,6 +26,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
   `bool` instead of a Graphviz-specific `boolean`.
 - **Breaking**: The `candidate` and `valid` fields of the `rank_t` struct are
   now C99 `bool`s instead of Graphviz-specific `boolean`s.
+- **Breaking**: The `filled`, `landscape`, and `centered` fields of the
+  `layout_t` struct are now C99 `bool`s instead of Graphviz-specific `boolean`s.
 - **Breaking**: Graphviz headers no longer define the constant `MAXSHORT`. A
   drop-in replacement is `SHRT_MAX` in the C standard library’s limits.h.
 - **Breaking**: Graphviz headers no lnger define `NIL` macros. A drop-in
diff --git a/lib/common/input.c b/lib/common/input.c
index 46310d829..a925d8891 100644
--- a/lib/common/input.c
+++ b/lib/common/input.c
@@ -707,18 +707,17 @@ void graph_init(graph_t * g, bool use_rankdir)
     GD_fontnames(g) = maptoken(p, fontnamenames, fontnamecodes);
 
     setRatio(g);
-    GD_drawing(g)->filled =
-      getdoubles2ptf(g, "size", &GD_drawing(g)->size) ? TRUE : FALSE;
+    GD_drawing(g)->filled = getdoubles2ptf(g, "size", &GD_drawing(g)->size);
     getdoubles2ptf(g, "page", &(GD_drawing(g)->page));
 
-    GD_drawing(g)->centered = mapbool(agget(g, "center")) ? TRUE : FALSE;
+    GD_drawing(g)->centered = mapbool(agget(g, "center"));
 
     if ((p = agget(g, "rotate")))
 	GD_drawing(g)->landscape = atoi(p) == 90;
     else if ((p = agget(g, "orientation")))
 	GD_drawing(g)->landscape = p[0] == 'l' || p[0] == 'L';
     else if ((p = agget(g, "landscape")))
-	GD_drawing(g)->landscape = mapbool(p) ? TRUE : FALSE;
+	GD_drawing(g)->landscape = mapbool(p);
 
     p = agget(g, "clusterrank");
     CL_type = maptoken(p, rankname, rankcode);
diff --git a/lib/common/types.h b/lib/common/types.h
index 133ed65b5..b9b331c3e 100644
--- a/lib/common/types.h
+++ b/lib/common/types.h
@@ -227,9 +227,9 @@ extern "C" {
 	pointf margin;
 	pointf page;
 	pointf size;
-	boolean filled;
-	boolean landscape;
-	boolean centered;
+	bool filled;
+	bool landscape;
+	bool centered;
 	ratio_t ratio_kind;
 	void* xdots;
 	char* id;
-- 
2.40.0